Pcb Main - Muratec MFX-1330 Field Engineering Manual

PCB MAIN

1) Remove the Cover connect and disconnect the connector.
2) Remove two Cover option mounting screws, and then remove the Cover option.
3) Remove four Cover shield mounting screws, and then remove the Cover shield.
4) Remove the Plate main B mounting screws, and then remove the Plate main B.
Cover shield
5) Disconnect all connectors on the PCB MAIN.
6) Remove six PCB MAIN mounting screws, and then remove PCB MAIN.
NOTE: The DRAM back-up battery is connected to the PCB MAIN. When the PCB MAIN is replaced, the connection
will be lost. Therefore, please reenter the date and time, after you have replaced the PCB MAIN. (Press
MENU, 2, 1, 0, 9, and enter month, then day, year, hour and minute in 24-hour format.)
NOTE: Turning parameters for Color(R,G,B) and Gray mode are stored in the EEPROM(IC42). When the PCB MAIN is
replaced, the EEPROM on malfunction PCB should be replaced to the new PCB.
CCD
P19
P8C
P8C
5-20 5-20
( See page 5-6)
H H H H
Plate main B
PANEL NCU
P5
PCB MAIN
P3 PSU
P91
P92
Cover option